:root {
    --yts-primary: #0b3d6e;
    --yts-primary-2: #1a5a9b;
    --yts-surface: #ffffff;
}

body {
    background: var(--yts-surface);
    font-family: "Segoe UI", Tahoma, Arial, sans-serif;
    color: #1e2c3b;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.yts-navbar {
    background: linear-gradient(90deg, var(--yts-primary), var(--yts-primary-2));
}

.hero-section {
    background: #ffffff;
    border-bottom: 1px solid #e9edf3;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: "";
    position: absolute;
    inset: -120px auto auto -120px;
    width: 280px;
    height: 280px;
    background: radial-gradient(circle, rgba(26, 90, 155, 0.12) 0%, rgba(26, 90, 155, 0) 70%);
    pointer-events: none;
}

.yts-card {
    border-radius: 0.75rem;
    border-color: #e6ebf2 !important;
    box-shadow: 0 8px 20px rgba(16, 47, 83, 0.06);
}

.feature-box {
    border: 1px solid #e4e9f2;
    border-radius: 0.75rem;
    background: #fff;
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-box:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 18px rgba(7, 30, 64, 0.08);
    border-color: #d5e1ef;
}

.yts-footer {
    background: linear-gradient(90deg, var(--yts-primary), var(--yts-primary-2));
    margin-top: auto;
}

.auth-page {
    min-height: 100vh;
    background: linear-gradient(180deg, #f4f8ff 0%, #edf3fc 100%);
}

.auth-card {
    border: 0;
    border-radius: 1rem;
    box-shadow: 0 16px 40px rgba(7, 30, 64, 0.12);
}

.dashboard-layout {
    min-height: 100vh;
    background: #f5f7fb;
}

.dashboard-sidebar {
    background: #102f53;
    min-height: 100vh;
}

.dashboard-sidebar h5 {
    font-weight: 600;
    letter-spacing: 0.2px;
}

.dashboard-sidebar .nav-link {
    color: #d9e7f8;
    border-radius: 0.5rem;
}

.dashboard-sidebar .nav-link:hover,
.dashboard-sidebar .nav-link.active {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

.stat-card {
    border: 0;
    border-radius: 0.75rem;
    box-shadow: 0 8px 20px rgba(16, 47, 83, 0.08);
}

.yts-badge {
    background: #eef4fb;
    color: #1b4f86;
    border: 1px solid #d7e4f4;
    border-radius: 999px;
    padding: 0.45rem 0.95rem;
    font-size: 0.84rem;
    font-weight: 600;
}

.yts-section-title {
    color: #173a62;
}

.yts-btn {
    border-radius: 0.65rem;
    font-weight: 600;
    padding-top: 0.62rem;
    padding-bottom: 0.62rem;
    transition: all 0.2s ease;
}

.yts-btn-primary {
    background: linear-gradient(135deg, var(--yts-primary), var(--yts-primary-2));
    border: 0;
    color: #fff;
    box-shadow: 0 8px 16px rgba(17, 65, 109, 0.22);
}

.yts-btn-primary:hover {
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 12px 20px rgba(17, 65, 109, 0.28);
}

.yts-btn-outline {
    border: 1px solid #b6cce6;
    color: #1c4f84;
    background: #fff;
}

.yts-btn-outline:hover {
    background: #f4f8fd;
    border-color: #8fb2d9;
    color: #163d66;
    transform: translateY(-2px);
}

.feature-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: grid;
    place-items: center;
    background: #f1f6fc;
    color: #20598f;
    font-size: 1.3rem;
}